🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 9.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.59 AU - 0.97 AU

Year: 484 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,031,737 km

• M1: 113,096 km (0.086 R)
• M2: 438,621 km (0.096 R)
• M3: 738,714 km (0.091 R)
• M4: 1,040,902 km (0.108 R)
• M5: 1,521,560 km (0.086 R)
• M6: 1,829,582 km (0.07 R)
• M7: 2,188,617 km (0.114 R)
• M8: 3,709,728 km (0.109 R)
• M9: 4,608,662 km (0.091 R)
• M10: 4,928,203 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 15

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 610 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,031,737 km

• M1: 186,848 km (0.104 R)
• M2: 754,871 km (0.108 R)
• M3: 1,226,852 km (0.119 R)
• M4: 1,864,887 km (0.095 R)
• M5: 2,386,236 km (0.108 R)
• M6: 3,490,567 km (0.06 R)
• M7: 4,234,368 km (0.067 R)
• M8: 5,702,072 km (0.055 R)
• M9: 6,532,939 km (0.112 R)
• M10: 7,116,520 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 8.9

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.79 AU - 1.11 AU

Year: 651 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,031,737 km

• M1: 110,702 km (0.072 R)
• M2: 437,574 km (0.047 R)
• M3: 740,659 km (0.056 R)
• M4: 1,019,958 km (0.109 R)
• M5: 1,406,220 km (0.097 R)
• M6: 1,787,246 km (0.114 R)
• M7: 2,416,305 km (0.085 R)
• M8: 3,087,401 km (0.07 R)
• M9: 3,480,095 km (0.115 R)
• M10: 3,920,212 km (0.074 R)
• M11: 4,779,802 km (0.102 R)
• M12: 5,254,326 km (0.098 R)
• M13: 5,612,314 km (0.088 R)
• M14: 6,337,265 km (0.076 R)
• M15: 6,973,804 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 14.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.9 AU - 1.08 AU

Year: 692 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,031,737 km

• M1: 177,872 km (0.119 R)
• M2: 751,879 km (0.052 R)
• M3: 1,345,184 km (0.063 R)
• M4: 1,969,157 km (0.111 R)
• M5: 2,717,595 km (0.101 R)
• M6: 3,596,482 km (0.034 R)
• M7: 5,323,141 km (0.111 R)
• M8: 5,918,989 km (0.119 R)
• M9: 6,399,797 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 11.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.4 AU - 1.61 AU

Year: 1291 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,031,737 km

• M1: 148,102 km (0.081 R)
• M2: 612,753 km (0.118 R)
• M3: 1,013,675 km (0.105 R)
• M4: 1,596,658 km (0.118 R)
• M5: 2,474,947 km (0.096 R)
• M6: 3,043,120 km (0.117 R)
• M7: 3,473,962 km (0.045 R)
• M8: 3,993,366 km (0.063 R)
• M9: 5,725,111 km (0.028 R)
• M10: 6,102,845 km (0.076 R)
• M11: 7,265,071 km (0.092 R)
• M12: 8,488,482 km (0.109 R)
• M13: 9,008,933 km (0.087 R)
• M14: 9,993,736 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.2

Radius: 12.3

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.9 AU - 2.22 AU

Year: 2078 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,031,737 km

• M1: 153,039 km (0.111 R)
• M2: 642,224 km (0.075 R)
• M3: 1,675,795 km (0.06 R)
• M4: 2,655,362 km (0.1 R)
• M5: 3,916,921 km (0.101 R)
• M6: 4,689,594 km (0.068 R)
• M7: 6,036,124 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 8.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.53 AU - 4.55 AU

Year: 6800 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,031,737 km

• M1: 132,544 km (0.118 R)
• M2: 451,786 km (0.074 R)
• M3: 765,492 km (0.103 R)
• M4: 1,410,409 km (0.112 R)
• M5: 1,744,610 km (0.059 R)
• M6: 2,295,579 km (0.073 R)
• M7: 2,958,148 km (0.093 R)
• M8: 3,790,212 km (0.09 R)
• M9: 8,888,956 km (0.069 R)
• M10: 9,497,221 km (0.077 R)
• M11: 11,897,668 km (0.078 R)
• M12: 13,405,316 km (0.037 R)
• M13: 14,031,083 km (0.077 R)
• M14: 15,096,819 km (0.113 R)
• M15: 19,324,903 km (0.117 R)
• M16: 20,642,861 km (0.086 R)
• M17: 25,555,056 km (0.108 R)
• M18: 28,234,504 km (0.073 R)
• M19: 35,849,634 km (0.105 R)

Asteroid Belt

Center: 5.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.7

Radius: 5.5

Gravity: 21.68 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.61 AU - 7.11 AU

Year: 9971 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,031,737 km

• M1: 69,713 km (0.081 R)
• M2: 433,834 km (0.102 R)
• M3: 663,915 km (0.071 R)
• M4: 1,289,384 km (0.046 R)
• M5: 1,539,960 km (0.077 R)
• M6: 1,729,800 km (0.073 R)
• M7: 2,121,747 km (0.111 R)
• M8: 2,571,139 km (0.113 R)
• M9: 3,081,567 km (0.07 R)
• M10: 4,925,360 km (0.083 R)
• M11: 5,953,546 km (0.087 R)
• M12: 6,424,630 km (0.073 R)
• M13: 8,336,491 km (0.05 R)
• M14: 9,301,996 km (0.063 R)
• M15: 9,591,019 km (0.111 R)
• M16: 10,187,166 km (0.105 R)
• M17: 11,507,667 km (0.068 R)
• M18: 12,123,411 km (0.086 R)
• M19: 14,612,421 km (0.101 R)
• M20: 14,806,898 km (0.056 R)
• M21: 15,873,531 km (0.103 R)
• M22: 18,610,424 km (0.087 R)
• M23: 20,010,211 km (0.092 R)
• M24: 22,582,995 km (0.09 R)
• M25: 23,105,242 km (0.067 R)
• M26: 25,368,209 km (0.066 R)
• M27: 27,774,490 km (0.047 R)
• M28: 28,173,169 km (0.112 R)
• M29: 28,474,758 km (0.061 R)
• M30: 29,702,208 km (0.082 R)
• M31: 34,162,020 km (0.102 R)
• M32: 39,674,402 km (0.063 R)
• M33: 40,689,873 km (0.081 R)
• M34: 44,380,452 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.9

Radius: 5

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.75 AU - 6.77 AU

Year: 11010 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,031,737 km

• M1: 67,169 km (0.12 R)
• M2: 273,315 km (0.112 R)
• M3: 519,703 km (0.049 R)
• M4: 709,692 km (0.116 R)
• M5: 880,084 km (0.116 R)
• M6: 1,766,003 km (0.108 R)
• M7: 2,533,440 km (0.092 R)
• M8: 3,023,672 km (0.119 R)
• M9: 3,245,675 km (0.119 R)
• M10: 3,526,471 km (0.114 R)
• M11: 4,494,967 km (0.071 R)
• M12: 4,725,797 km (0.1 R)
• M13: 15,967,179 km (0.095 R)
• M14: 21,409,101 km (0.076 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 18,526 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit